Origin of Modern Calculating Machines: A Chronicle of the Evolution of the Principles That Form the Generic, Make of the Modern Calculating Machine (Classic Reprint)

Excerpt from Origin of Modern Calculating Machines: A Chronicle of the Evolution of the Principles That Form the Generic, Make of the Modern Calculating Machine

While history shows that, from prehistoric man down to the present age, human ingenuity has turned to mechanical means to overcome the brain fatigue of arithmetical figuring, it is Within quite recent years that he has really succeeded in devis ing means more rapid than the human brain.

Of this modern product little has been written, except in disconnected articles that have in no case offered a complete understanding as to who were the great benefactors of mankind that gave to the world the first concrete production of these mod ern principles of mechanical calculation.

The writer, believing that there are many who would be interested to know the true facts rela tive to this subject, has given to the public, in that which follows, a chronicle of the evolution of the principles disclosed in these modern machines, along with the proofs that form the foundation for the story in a way that all may understand.

Although the subject has been handled in a way that makes it unnecessary for the reader to be carried through a jangle of tiresome mechanical construction, the writer believes that there aremany interested in the detail workings of these machines, and has for that reason provided an interesting and simple description of the working of each illustrated machine, which may be read by those who wish, or skipped over, if the reader desires, without the danger of losing knowledge of the relation of each of these machines to the Art.

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